Help me so i can go home to see my dad

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.

Sections of prefabricated wood are each 5 1/3 feet long. how long are 7 1/2 sections placed end to end?

I'm stumped by this question. someone with my math homework